Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 5882445 | Method of making semi-finished metal products A method for producing metallic semifinished products such as strip or wire rom metallic work materials which have a high melting point and are difficult to shape, comprising the steps of a) first, alloying at least one element for lowering the melting poi... | 03/16/1999 |
| 5690756 | Method for producing cast iron gear A method for producing cast iron gears includes the steps of heating a blank composed of cast iron and having a teeth forming part to such a temperature that at least the teeth forming part is at least austenitized, and hot rolling the teeth forming part ... | 11/25/1997 |
| 5522949 | Class of ductile iron, and process of forming same A new class of ductile iron is formed by the hot isostatic pressing of a ductile iron casting, followed by austempering of the ductile iron casting. Hot isostatic pressing can be carried out at a pressure in the range of 10,000 to 17,000 psi at a temperat... | 06/04/1996 |
| 5246510 | Method for producing a selectively surface hardened cast iron part A method for producing a selectively surface hardened cast iron part includes the steps of (a) heating the part to a desired austempering temperature of between about 450° F. and about 800° F. until the entire cast iron part possesses the desired austem... | 09/21/1993 |
| 5064478 | Method and apparatus for surface austempering of cast iron parts A method for producing a selectively surface hardened cast iron part includes uniformly heating the surface of the part by immersion into a molten metallic bath until a desired thickness of surface austenite is produced, and thereafter quenching the heate... | 11/12/1991 |
| 4612065 | Method for the heat treatment of workpieces A method is described for the heat treatment, preferably for the intermediate heat treatment, of workpieces, in which the workpieces coming from a heating apparatus are quenched in a fluidized bed under precise temperature and movement control, and then, ... | 09/16/1986 |
| 4410373 | Process for heat treatment of a metal workpiece A process for heat treatment of a metal workpiece, such as a casting (steel, aluminum based alloy or white cast iron). The casting is heated in a fluidized particulate bed (sand) to a relatively constant first temperature. Then, the casting is held (e.g.,... | 10/18/1983 |
| 4401478 | Process for the handling and heat treatment of cast iron or steel pipes and tubes Concave rails 17, upon which a pipe which is to be treated by at least partial immersion can be placed, are fixed in the bottom of a furnace 1 which contains a treatment bath M. In order to guarantee that the pipe is immersed over the whole of its cross s... | 08/30/1983 |
| 4268246 | Method and apparatus for metal object heat treatment Apparatus comprising a metal shell enclosing a spaced adapted to be heated, low heat retention, thermal shock resistant insulation on one substantially entire surface of the metal shell, a heater to heat the space enclosed by the metal shell, a vent for h... | 05/19/1981 |
| 4177088 | Process and installation for heat treating spheroidal or lamellar graphite cast iron pipes A process for effecting an annealing treatment of a spheroidal or lamellar graphite cast iron pipe. While the pipe is driven in rotation about the axis of the pipe, it is suspended substantially horizontally as it issues from the centrifugal casting machi... | 12/04/1979 |
